#include <stdio.h> //记得写一个getchar而不是putchar!!!!!!!!!!! int main() { int a; while(~scanf("%d",&a)){ getchar(); switch(a){ case 200:printf("OK\n");break; case 202:printf("Accepted\n");break; case 400:printf("Bad Request\n");break; case 403:printf("Forbidden\n");break; case 404:printf("Not Found\n");break; case 500:printf("Internal Server Error\n");break; case 502:printf("Bad Gateway\n");break; } } return 0; }